\[\frac{a}{-\cos^{-1} a}\]
Test:
Random Jason Timeout Test 010
Bits:
128 bits
Bits error versus a
Time: 3.2 s
Input Error: 0.3
Output Error: 0.3
Log:
Profile: 🕒
\(\log_* (1 + (e^{\frac{a}{-\cos^{-1} a}} - 1)^*)\)
  1. Started with
    \[\frac{a}{-\cos^{-1} a}\]
    0.3
  2. Using strategy rm
    0.3
  3. Applied log1p-expm1-u to get
    \[\color{red}{\frac{a}{-\cos^{-1} a}} \leadsto \color{blue}{\log_* (1 + (e^{\frac{a}{-\cos^{-1} a}} - 1)^*)}\]
    0.3

Original test:


(lambda ((a default))
  #:name "Random Jason Timeout Test 010"
  (/ a (- (acos a))))